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-rw-r--r--dom/presentation/PresentationReceiver.cpp179
1 files changed, 179 insertions, 0 deletions
diff --git a/dom/presentation/PresentationReceiver.cpp b/dom/presentation/PresentationReceiver.cpp
new file mode 100644
index 000000000..bc1776b45
--- /dev/null
+++ b/dom/presentation/PresentationReceiver.cpp
@@ -0,0 +1,179 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "PresentationReceiver.h"
+
+#include "mozilla/dom/PresentationReceiverBinding.h"
+#include "mozilla/dom/Promise.h"
+#include "nsContentUtils.h"
+#include "nsIPresentationService.h"
+#include "nsPIDOMWindow.h"
+#include "nsServiceManagerUtils.h"
+#include "nsThreadUtils.h"
+#include "PresentationConnection.h"
+#include "PresentationConnectionList.h"
+#include "PresentationLog.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(PresentationReceiver,
+ mOwner,
+ mGetConnectionListPromise,
+ mConnectionList)
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(PresentationReceiver)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(PresentationReceiver)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PresentationReceiver)
+ NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+ NS_INTERFACE_MAP_ENTRY(nsIPresentationRespondingListener)
+ NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+/* static */ already_AddRefed<PresentationReceiver>
+PresentationReceiver::Create(nsPIDOMWindowInner* aWindow)
+{
+ RefPtr<PresentationReceiver> receiver = new PresentationReceiver(aWindow);
+ return NS_WARN_IF(!receiver->Init()) ? nullptr : receiver.forget();
+}
+
+PresentationReceiver::PresentationReceiver(nsPIDOMWindowInner* aWindow)
+ : mOwner(aWindow)
+{
+ MOZ_ASSERT(aWindow);
+}
+
+PresentationReceiver::~PresentationReceiver()
+{
+ Shutdown();
+}
+
+bool
+PresentationReceiver::Init()
+{
+ if (NS_WARN_IF(!mOwner)) {
+ return false;
+ }
+ mWindowId = mOwner->WindowID();
+
+ nsCOMPtr<nsIDocShell> docShell = mOwner->GetDocShell();
+ MOZ_ASSERT(docShell);
+
+ nsContentUtils::GetPresentationURL(docShell, mUrl);
+ return !mUrl.IsEmpty();
+}
+
+void PresentationReceiver::Shutdown()
+{
+ PRES_DEBUG("receiver shutdown:windowId[%d]\n", mWindowId);
+
+ // Unregister listener for incoming sessions.
+ nsCOMPtr<nsIPresentationService> service =
+ do_GetService(PRESENTATION_SERVICE_CONTRACTID);
+ if (NS_WARN_IF(!service)) {
+ return;
+ }
+
+ Unused <<
+ NS_WARN_IF(NS_FAILED(service->UnregisterRespondingListener(mWindowId)));
+}
+
+/* virtual */ JSObject*
+PresentationReceiver::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto)
+{
+ return PresentationReceiverBinding::Wrap(aCx, this, aGivenProto);
+}
+
+NS_IMETHODIMP
+PresentationReceiver::NotifySessionConnect(uint64_t aWindowId,
+ const nsAString& aSessionId)
+{
+ PRES_DEBUG("receiver session connect:id[%s], windowId[%x]\n",
+ NS_ConvertUTF16toUTF8(aSessionId).get(), aWindowId);
+
+ if (NS_WARN_IF(!mOwner)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (NS_WARN_IF(aWindowId != mWindowId)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ if (NS_WARN_IF(!mConnectionList)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ RefPtr<PresentationConnection> connection =
+ PresentationConnection::Create(mOwner, aSessionId, mUrl,
+ nsIPresentationService::ROLE_RECEIVER,
+ mConnectionList);
+ if (NS_WARN_IF(!connection)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return NS_OK;
+}
+
+already_AddRefed<Promise>
+PresentationReceiver::GetConnectionList(ErrorResult& aRv)
+{
+ nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(mOwner);
+ if (NS_WARN_IF(!global)) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return nullptr;
+ }
+
+ if (!mGetConnectionListPromise) {
+ mGetConnectionListPromise = Promise::Create(global, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ RefPtr<PresentationReceiver> self = this;
+ nsresult rv =
+ NS_DispatchToMainThread(NS_NewRunnableFunction([self] () -> void {
+ self->CreateConnectionList();
+ }));
+ if (NS_FAILED(rv)) {
+ aRv.Throw(rv);
+ return nullptr;
+ }
+ }
+
+ RefPtr<Promise> promise = mGetConnectionListPromise;
+ return promise.forget();
+}
+
+void
+PresentationReceiver::CreateConnectionList()
+{
+ MOZ_ASSERT(mGetConnectionListPromise);
+
+ if (mConnectionList) {
+ return;
+ }
+
+ mConnectionList = new PresentationConnectionList(mOwner,
+ mGetConnectionListPromise);
+
+ // Register listener for incoming sessions.
+ nsCOMPtr<nsIPresentationService> service =
+ do_GetService(PRESENTATION_SERVICE_CONTRACTID);
+ if (NS_WARN_IF(!service)) {
+ mGetConnectionListPromise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR);
+ return;
+ }
+
+ nsresult rv = service->RegisterRespondingListener(mWindowId, this);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ mGetConnectionListPromise->MaybeReject(rv);
+ }
+}
+
+} // namespace dom
+} // namespace mozilla